278103690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28349}}^1$

素因数の和:28471

約数の個数: 48

約数和(自身を含む): 729729000

約数和(自身を除く): 451625310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 3270, 4905, 9810, 28349, 56698, 85047, 141745, 170094, 255141, 283490, 425235, 510282, 850470, 1275705, 2551410, 3090041, 6180082, 9270123, 15450205, 18540246, 27810369, 30900410, 46350615, 55620738, 92701230, 139051845, 278103690]

約数ペア:

[(1, 278103690), (2, 139051845), (3, 92701230), (5, 55620738), (6, 46350615), (9, 30900410), (10, 27810369), (15, 18540246), (18, 15450205), (30, 9270123), (45, 6180082), (90, 3090041), (109, 2551410), (218, 1275705), (327, 850470), (545, 510282), (654, 425235), (981, 283490), (1090, 255141), (1635, 170094), (1962, 141745), (3270, 85047), (4905, 56698), (9810, 28349)]